give (something) the thumbs down

to show that you do not like or approve of something, or that you will not allow something to happen.

The committee gave my suggestion the thumbs down.

• on own time
• on pain of
• on pain of death
• on pain of something
• on paper
• on person
• on pins and needles
• on principle
• on purpose
• on radar
• on radar screen
• on record
• on safe ground
• on schedule
• on second thought
• on second thoughts
• on shaky ground
• on short notice
• on shoulders
• on side
• on sight
• on someone's account
• on someone's agenda
• on someone's case
• on someone's coat-tails